SIMX100 UHF RFID Module
Specifications
- Model: SIMx100
- Output Power: 5dBm to 33dBm adjustable
- Tag Reading Distance: More than 12m (depending on antenna gain
and tag size) - CPU: ARMv7-M architecture 32bit Cortex-M4 CPU
- Flash Memory: 512KByte
- Frequency Bands: North America, Europe (30dBm) and Chinese
(33dBm) - Dimensions: 55.9mm x 35.6mm x 6.0mm
- Weight: 21g
- Operating Temperature: -25°C to 75°C
- Certifications: SRRC, CE, FCC, ROHS
Product Usage Instructions
1. Power Supply
Ensure the input voltage (VCC) is within the range of 3.6V to
5.5V for proper operation.
2. Setting Output Power
You can adjust the output power of the module from 5dBm to 33dBm
based on your requirements.
3. Tag Reading
Position the RFID module appropriately for tag reading, ensuring
a clear path for communication with tags.
4. Connectivity
Utilize the UART serial communication with baud rates ranging
from 9600bps to 921600bps for data transfer.
5. Environmental Considerations
Operate the module within the specified temperature and humidity
ranges to ensure optimal performance.
FAQ
1. What are the supported frequency bands?
The module supports North America, Europe (30dBm), and Chinese
(33dBm) frequency bands.
2. How can I adjust the output power?
You can adjust the output power of the module from 5dBm to 33dBm
based on your requirements.
3. What is the maximum tag reading distance?
The tag reading distance is more than 12m, depending on antenna
gain and tag size.
SIMx100 33dBm UHF RFID Module
Overview
The UHF 1 port RFID module SIMX100 with high-performance, designed by SILION R&D team. It based on IMPINJ New Generation RF chip E710/E510/E310. Output power can be set from 5dBm to
33dBm adjustable. Tag reading distance is more than 12m (depending on antenna gain and tag size), And has excellent multi-label inventory performance.
SIMX100 module has stable and reliable performance, it adopts advanced multi-tag recognition algorithm. Tags can be quickly identified whether moving or stationary.
Superior anti-interference design and carrier cancellation function, can work stably in various environments.
A variety of configuration modes, can be widely used in various applications such as warehousing, logistics, production lines, and patrol.
Application
Handheld reader Desktop reader
Printer
Integrated reader
Features
ARMv7-M architecture 32bit Cortex-M4 CPU, integrated FPU, MPU, DSP, the highest work main frequency is 200MHz, 512KByte Flash
Support UHF EPC Class1 Gen2/ISO 18000-6C
Provide WindowsLinux and Android SDK, and API based on C, C#/.NET, JAVA
Support inventory of temperature tags, the output parameters include the RSSI and phase value of the tag return signal
With max power output of 33dBm Excellent anti-collision algorithm and high
sensitivity. The fastest speed of inventory tags is greater than 1000tag/s Multiple inventory mode UART serial communication baud rate can be set to 9600bps ~ 921600bps 2 inputs 2 outputs,GPIO port. North America and Europe frequency bands, the
maximum power is 30dBm with a power consumption of 5W. In the Chinese frequency
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band, the maximum power is 33dBm with a power consumption of 6.75W.
Aluminum alloy matte shell, weighing 21g, Dimension 55.9mm x 35.6mm x 6.0mm.
SRRC,CE,FCC and other certifications ROHS
SIMx100
Model
SIM7100 SIM5100 SIM3100
Sensitivity @PER 10%
-87dbm -80dbm -73dbm
The speed of inventory tag @96 bit EPC)
>1000 >600 >350
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SIMx100
Absolute Max Ratings Value
Parameter
Sign
Mini Typical Max
Unit
Input voltage
VCC
-0.3
6
V
Enable voltage
VEN
-0.3
Reset (NRST) GPI(IN1 IN2) input low voltage
VIL
Reset (NRST) GPI(IN1 IN2) input high voltage
VIH
2.7
GPO (OUT1 OUT2) output current
IOH
6
V
0.6
V
V
15
mA
Module output current
AVCC
20
mA
ESD protection voltage¹
VESD
-2
Antenna port (ANT) standing wave ratio²
VSWR
Operating temperature³
TC
-30
Storage temperature
TS
-55
2
kV
8
/
75
100
ESD Precautions Proper precautions must be followed when transporting, packaging and testing the equipment. 1. Antenna port test conditions IEC61000-4-2 level 1, contact discharge; other interfaces are HBM model, contact discharge. 2. The maximum allowable standing wave ratio to prevent damage to the power amplifier chip. To ensure performance, it is recommended that the antenna standing wave ratio be less than 1.5. 3. Ambient temperature. The max temperature limit is related to the module heat dissipation conditions.
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SIMx100
General Operating Conditions
Parameter
Sign
Mini Typical Max
Unit
Input voltage
VCC
3.6
5
5.5
V
V
Disabling voltage Enable voltage
VEN 1.5
0.4
V
V
Reset (NRST) GPI(IN1 IN2) input low voltage
VIL
Reset (NRST) GPI(IN1 IN2) input high voltage
VIH
3
0.3
V
V
GPO(OUT1 OUT2) output current
IOH
10
mA
Module output current
Antenna port (ANT) standing wave ratio1
Operating humidity (non-condensing)
AVCC VSWR
RH
10
mA
2.5
/
5
95
%
Operating temperature Storage temperature
TC
-25
TS
-40
65
85
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SIMx100
General Electrical Parameters
Condition Mini Typical Max
Unit
Range¹
860
960
MHz
Frequency
Step value²
250/500
KHz
Deviation Output power
@25
-10
5
10
ppm
33
dBm
Output
Measure UART
Power step Output power
accuracy Output power
flatness
Adjacent channel leakage ratio*
20dB occupied bandwidth*
Emission spectrum template*³
Spurious Emissions (Conducted) Module temperature accuracy Tag RSSI test accuracy Tag PHASE test accuracy
Load return loss test accuracy
Default baud rate
Configurable baud rate
5dBm~33dBm
5dBm~33dBm 1st adjacent channel 2nd adjacent channel RF_MODE 7 RF_MODE 11
margin
2nd harmonic 3rd harmonic
-25~115
@-60dBm
@-60dBm RL>18dB Connect the attenuator Data format
8N1
-1 -1
2
-4 -3 -5 -4 9600
1 1 1
-45 -65 110 215
-55 -38
4
3 5
4 115200
921600
dB dB dB dB dB KHz KHz dB dBm dBm
dB degrees
dB
bps bps
Power down mode
Consumption
low consumption standby mode
Normal standby
0.00025
W
0.1
W
0.6
W
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SIMx100
mode
North
America
5
W
Operating mode
Europe
@30dBm
China @33dBm
6.75
W
1. Select the frequency band by frequency range, can’t support multiple frequency areas at the same time. 2. The required frequency step can be configured according to the frequency range. 3. Refer to ETSI EN 302 208 4.3.5 Transmitter spectrum masks. 4. Test under full frequency range conditions. 5. When temperature exceeds 90, the module will forcefully stop inventory, then need to manually resend the command to start inventory. 6. The operating power consumption of the module is determined based on the matching of the load antenna. Mark* Indicates that the inventory mode RF_MODE 7 is used during testing and the spectrum analyzer is set to MAXHOLD.
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SIMx100
Air Interface Mode Parameters and Performance
RF_MO DE ID
Forward Link
Modulation
Tari (us)
BLF (KHz)
Reverse Link
Modulation
Receive Sensitivity Minimum¹(dBm)
E710 E510 E310
Read Rate²(tag
s/s)
103 DSB-ASK 6.25 640
FM0
-64.0 N/A N/A >1000
11
PR-ASK 7.5 640
FM0
-64.1 N/A N/A >1000
120 DSB-ASK 6.25 640 Miller M=2 -70.3 -65.2 N/A >600
1
PR-ASK 7.5 640 Miller M=2 -70.4 -65.4 N/A >600
15
PR-ASK 7.5 640 Miller M=4 -76.2 -70.2 N/A >450
345
PR-ASK 7.5 640 Miller M=4 -76.4 -71.2 -63
>350
12
PR-ASK
15
320
Miller M=2 -76.6 -71.4 -63
>350
3
PR-ASK
20
320
Miller M=2 -76.1 -71.4 -63
>300
5
PR-ASK
20
320
Miller M=4 -81.5 -75.5 -66.7 >200
7
PR-ASK
20
250
Miller M=4 -81.4 -76 -68
>150
13
PR-ASK
20
160
Miller M=8 -87.4 -80 -73.4 >70
1. Test instrument CISC XPLORER 200PER 10%, output power 30dBm, antenna port echo less than -20dB. 2. Test antenna gain 12dBi, 4000 tags. 3.N/A indicate this mode is not supported.
From the above table, SIMX100 provides up to 11 configuration methods, listing the two most important indicators for measuring the reader module: sensitivity and multi-tag reading speed. There is a trade-off between sensitivity and multi-tag speed. When the sensitivity is better, the reading speed rate of tags is lower. Between reading better and reading more, need to choose the appropriate mode based on customer application needs. Another thing to note is that when multiple readers work at the same time, there will be interference. Although a smaller TARI speeds up the communication connection with the tag, it will increase the bandwidth of the emission channel, which is easier to interfere with other readers. Higher BLF of the tag will increase the speed of the tag’s reverse transmission signal. The tag return signal will fall in the adjacent channel. When other readers happen to be working in this channel, the reader is likely to
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be unable to demodulate the return signal of the label.
SIMx100
Inventory Mode Parameters
For different application scenarios, SIMX100 provides multiple working modes. Except for the temperature-controlled multi-tag inventory mode, other function are automatically completed by the reader module. This not only saves the command interaction time between the host and the reader module, but the excellent processing algorithm also greatly enhances the application adaptability of the product.
Application
Few tags, remote inventory
Operating Mode Normal mode
Description
Recommend RF_MODE 13, session 0, with a customization read duration based on the reporting cycle, preferably 50ms or more. The minimum read interval can be set to 0ms.
Fast mode
Recommend RF_MODE 13, session0, Target: A
Few tags multi-times inventory
Multi-tag inventory
Fast mode EX10 fast mode
Recommend RF_MODE 11/103(E710)RF_MODE 1/120(E510)RF_MODE 12/345(E310), session1, Target A-B, static Q value (2^Qnumber of tags) can even be read at a single frequency point
Gen2 parameter devices such as RF_MODEsession are dynamically adjusted and the tag reading speed is fast. Related parameters configured in this mode do not take effect. This mode is recommended for multi-tag testing.
Read all multi-tag
Fast mode
Recommend RF_MODE 7/13, session1, can use the full frequency band 860-960MHz when conditions permit.
RF_MODE auto-adjustable. When the number of new
Temperature controlled multi-tag inventory
E7 temperature control mode
tags is less than the specified number, the working duty cycle is auto-adjusted; when the number of new tags exceeds the specified number, the full speed mode is restored.Recommended for long-term battery life test/low power consumption test
Use this mode.
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SIMx100
High read rate inventory multi-tag
Fast mode
Recommended mode RF_MODE 11/103E710 RF_MODE 1/120E510RF_MODE 12/345E310 session2/3, Target A, static Q value (2^Qnumber of tag).
If the above mode is supported by the motherboard and communication interface, it will be
better to increase the baud rate to 921600bps (the default baud rate is 115200bps).
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PIN Configuration and Function
SIMx100
12 PIN interface and RF interface
PIN No.
PIN name
Type
Description
1
VCC
Power supply Power supply voltage, input range: 3.6V-5.25V.
2
VCC
Power supply Power supply voltage, input range: 3.6V-5.25V.
3
GND
Power supply
Ground
4
GND
Power supply
Ground
Module enable pin, the module is enabled when
5
EN
Digital input
connected to a high level or left floating; the module is powered off when connected to a low
level.
6
OUT2
Digital I/O
General-purpose I/O port output, push-pull output.
7
IN1
Digital I/O
General-purpose I/O input
8
IN2
Digital I/O
General-purpose I/O output
9
RXD
Digital input
Module UART input, 3.3V TTL voltage
10
TXD
Digital output
Module UART output, 3.3V TTL voltage
11
NRST
Digital input
Module reset, pull low to reset the module, can be left floating when not in use.
12
OUT1
Digital I/O
General-purpose I/O port output, push-pull output.
ANT
RF
RF antenna port (50)
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SIMx100
Module bottom solder pads.
PIN No.
PIN name
Type
Description
1
GND
Power supply
Ground
2
GND
Power supply
Ground
3
VCC
Power supply
Power supply voltage, input range: 3.6V-5.25V.
4
VCC
Power supply
Power supply voltage, input range: 3.6V-5.25V.
Digital input Module enable pin, the module is enabled when
5
EN
connected to a high level or left floating; the module is powered off when connected to a low
level.
6
RXD
Digital input
Module UART input, 3.3V TTL voltage
7
TXD
Digital output
Module UART output, 3.3V TTL voltage
8
NRST
Digital input
Module reset, pull low to reset the module, can be left floating when not in use.
9
OUT1
Digital I/O
General-purpose I/O port output, push-pull output.
* Interface FFC/FPC connector: Pitch 1mm, P number: 12P, Drawer type, Bottom connection.
*RF antenna port connector: MMCX.
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SIMx100
Application Description
Power-on Boot and IO Interface
After the module is powered on, it takes 100ms to initialize. Do not pull the reset pin low during this time, and the reader module will not respond to the received commands.
Power-on boot time The NRST power-on reset release time is less than 3ms. After the module is powered on, pulling the NRST level low will cause the MCU of the internal module to restart. The NRST in the module has been connected to a 100K pull-up resistor. If the module is powered on, the low-level holding time that triggers the reset needs to be greater than 2ms. When reset occurs, the actual waiting time for reset needs to be greater than 110ms.
Reset waiting time The response time is measured by the time difference between sending the GPIO command and the response. The command action time set by OUT1 and OUT2 is greater than 78us (not including command time). IN1, IN2 set command action time is greater than 88us (not including command time).
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SIMx100
OUT1OUT2 action time
IN1IN2 action time The EN pin has a built-in 100K pull-down resistor. When the EN pin is connected to low level or left floating, the module is powered on. When the EN pin is connected to high level, the module is powered down.
Input Power
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SIMx100
It is recommended to use a 22-100uF tantalum capacitor for the VCC power input. If the size is limited, it can be changed to a small-sized ceramic capacitor, and at least a 0.1uF and a 100pF ceramic capacitor are connected in parallel. When inventory tag, the power magnifier inside the module will be turned on and off frequently, which will cause the power supply voltage at the input end of the module to fluctuate accordingly. Add large-capacity capacitors can reduce the fluctuation amplitude of these voltages and filter out the interference of low-frequency signals, but it will also cause large instantaneous currents. According to the driving capability of the module power supply circuit, select an appropriate large-capacity decoupling capacitor. The 0.1uF and 100pF capacitors can be used to filter out the power supply ripple in the high-frequency band. Because the interference signal in the high-frequency band, especially the interference signal in the working frequency band, will enter the module, it will degrade the module’s tag reading performance. And the addition of ceramic capacitors It can also prevent high-frequency signals generated when the module is working from passing through the power path and interfering with other circuit systems. Due to the large operating current of the module, the cable connecting the module must be thick enough, otherwise there will be an excessive voltage difference at both ends of the connecting cable, which will make the module unable to work properly; too thin connecting cables are also more likely to produce radiated interference signals. If the power input is a DC-DC conversion circuit, it is best to choose a power conversion chip with a switching frequency exceeding 1.5MHz to avoid interference with the weak signal returned by the tag.
Communication Serial Port
The reader module adapts a 3.3V UART serial port for data communication. The data format is configured as 1 bit start, 8 bits data, 1 bit stop, and no check bit (8N1). During serial communication, the signal frequency aligns closely with the Backscatter Link Frequency (BLF) from tags, potentially causing interference with the RF chip module’s reception. To mitigate this, if serial PCB traces are lengthy, consider placing them in inner PCB layers or on the layer opposite to the antenna. Additionally, include series-matching resistors and parallel
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SIMx100
capacitors to ground to minimize signal ringing. For inter-board connections, route lines close to the ground.
The baud rate of the serial port needs to meet the transmission rate requirements of the module for uploading tag data. When inventory large number of tags, the recommended baud rate is as shown in the following table:
RF_MODE ID
103 11 120 1 345 15 12 3 5 7 13
Forward Link
Modulation DSB-ASK PR-ASK DSB-ASK PR-ASK PR-ASK PR-ASK PR-ASK PR-ASK PR-ASK PR-ASK PR-ASK
BLF(KHz)
640 640 640 640 640 640 320 320 320 250 160
Reverse Link
Modulation FM0 FM0
Miller M=2 Miller M=2 Miller M=4 Miller M=4 Miller M=2 Miller M=2 Miller M=4 Miller M=4 Miller M=8
Baud Rate Select
921600 921600 >460800 >460800 >230400 >230400 >230400 >230400 >115200 >57600 >57600
Antenna Port
Mismatch between the module and antenna can lead to excessive signal reflection from the antenna to the reader module, causing a degradation in receiver sensitivity. It is recommended to maintain an antenna VSWR (Voltage Standing Wave Ratio) below 1.5. In applications requiring rapid reading of a large number of tags, especially when using modules based on the E710 chip, a high antenna VSWR that degrades receiver sensitivity can significantly increase the time required for reading all tags. For applications with fewer tags at closer distances, choosing modules based on the E510 or E310 may be more suitable. Since there is no RF isolator or RF circulator used between the power amplifier chip in the module
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SIMx100
and the antenna, mismatches between the power amplifier chip and the antenna can affect linearity and conversion efficiency. The former can result in changes in transmission performance, such as reduced power output, radiation of spurious signals, and non-compliance with local radio regulations regarding spectrum masks. The latter can increase the module’s power consumption, operating temperature, and reduce its lifespan. In the worst-case scenario, the power amplifier chip may operate in an unstable region due to mismatches, leading to self-excitation, which can easily damage the power amplifier chip. To ensure optimal module performance and stability, it is recommended to install the antenna in the application environment and use testing software to measure the VSWR after connecting the antenna. The VSWR should ideally be below 1.5.
Heat Dissipation
SIMx100 module generates significant heat during fast mode operation, and its built-in aluminum alloy casing may not provide adequate heat dissipation. To ensure effective heat conduction, it is necessary to mount the module on a larger metal heat sink. Additionally, thermal conductive silicone grease or compound should be applied at the contact points between the module and the heat sink. To protect the module from overheating, it will automatically cease tag inventory when the detected temperature reaches 90°C. In such cases, you will need to resend the inventory command to resume tag inventory.
Reference
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SIMx100
Simplified Reference Circuit
Label Explanation
SN QR code
Chipset E710,E510,E310
Silion TecMhnoodlouglyeCoNrpo..,Ltd Tel:+86010-62153842/62153840 SIM7100 SIM5100 SIM3100
E-mail:sales@silion.com.cn
SN No. web: wYwYw.MsMilDiDo:n.yceoma.rc/n mont1h7 //d2a2te
XXXX: module production serial
SIMx100
Dimension
55.9mm x 35.6mm x 6.0mmweight 21g
Appearance
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SIMx100
Version
Version V1.0 V1.1 ……
Date 2023/7/6 2023/11/16
Modify content First edition
Add application scenario parameter configuration
The RFID module is installed inside the user’s device. Since the maximum power output of this product can be close to the standard limit(30dBm), the device must be at least 35cm away from the human body.
Module
Equipment
Greater than 35cm
human body
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SIMx100
FCC Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’ s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursua nt to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inte rference in a residential installation. This equipment generates uses and can radiate radio frequency energy a nd, if not installed and used in accordance with the instructions, may cause harmful interference to radio com munications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turn ing the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: – Reorient or relocate the receiving antenna. – Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help important announcement Important Note: Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 35cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Country Code selection feature to be disabled for products marketed to the US/Canada. This device is intended only for OEM integrators under the following conditions: 1. The antenna must be installed such that 35 cm is maintained between the antenna and users, and 2. The transmitter module may not be co-located with any other transmitter or antenna,
As long as the two conditions above are met, further transmitter testing will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed.
Important Note: In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.
End Product Labeling The final end product must be labeled in a visible area with the following” Contains FCC ID: 2AQ9M-SIM710002 ”
Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual.
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SIMx100
Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01r01 2.2 List of applicable FCC rules
CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter 2.3 Specific operational use conditions
This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system.
2.4 Limited module procedures Not applicable
2.5 Trace antenna designs Not applicable
2.6 RF exposure considerations
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 35cm between the radiator & your body.
2.7 Antennas This radio transmitter FCC ID: 2AQ9M-SIM710002 has been approved by Federal Communications Commission to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device.
Antenna No. RFID
Model No. of antenna:
Type of antenna:
/
External antenna
Gain of (Max.)
the
antenna
Frequency range:
6.0dBi
902-928MHz
2.8 Label and compliance information The final end product must be labeled in a visible area with the following” Contains FCC ID: 2AQ9M-SIM710002″.
2.9 Information on test modes and additional testing requirements Host manufacturer is strongly recommended to confirm compliance with FCC requirements for the transmitter when the module is installed in the host.
2.10 Additional testing, Part 15 Subpart B disclaimer Host manufacturer is responsible for compliance of the host system with module installed with all other applicable requirements for the system such as Part 15 B.
2.11 Note EMI Considerations Host manufacture is recommended to use D04 Module Integration Guide recommending as “best practice” RF design engineering testing and evaluation in case non-linear interactions generate additional non-compliant limits due to module placement to host components or properties.
2.12 How to make changes
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SIMx100
This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system. According to the KDB 996369 D02 Q&A Q12, that a host manufacture only needs to do an evaluation (i.e., no C2PC required when no emission exceeds the limit of any individual device (including unintentional radiators) as a composite. The host manufacturer must fix any failure.
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Documents / Resources
 |
SILION SIMX100 UHF RFID Module [pdf] Owner's Manual SIMX100, SIMX100 UHF RFID Module, UHF RFID Module, RFID Module, Module |